PATHOLOGY

PATHOLOGY MCQ

ENDOCRINE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How do glial cells help the brain function?
A
They release hormones into the blood.
B
They gather information.
C
They send and receive electrical signals.
D
They protect and support neurons.
Explanation: 

Detailed explanation-1: -The nervous system consists of neurons and glial cells. Neurons generate and propagate electrical and chemical signals, whereas glia function mainly to modulate neuron function and signaling.

Detailed explanation-2: -Glial (Neuroglial) cells do not conduct nerve impulses, but, instead, support, nourish, and protect the neurons. Glial cells are far more numerous than neurons and, unlike neurons, are capable of mitosis.

Detailed explanation-3: -Many glial cells provide support for an essential nervous system function. In addition to providing support for neurons, glial cells aid in the maintenance of homeostasis, and form myelin. As a whole, glial cells are the most abundant cells in the central nervous system.

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